利用Python提取无线网络密码信息

 

　　

import subprocess
import sys
import json
import os
import optparse
import re

class WiFiNetworksCredentials:
    def __init__(self) -> None:
        self.filename = self.get_params()

    def get_params(self):
        parser = optparse.OptionParser('Usage: <Program> -o output fielname')
        parser.add_option('-o', '--output', dest='output', type='string', help='Specify filename to output')
        options, args = parser.parse_args()
        if options.output is None:
            print(parser.usage)
            sys.exit()
        if os.path.exists(options.output):
            print("[-] The file exists")
            sys.exit()
        return options.output
    

    def retrieve_all_wifi_networks(self):
        try:
            command = 'netsh wlan show profiles'
            result = subprocess.check_output(command, shell=True, encoding='gbk')  #这里需要注意，加上gbk编码，否则会报错
            pattern = r'(?:所有用户配置文件\s*:\s*)(.*)'
            wifi_networks_list = re.findall(pattern, result)
            if len(wifi_networks_list)>0:               
                return wifi_networks_list
            else:
                return False
        except Exception as e:
            print(e)
            sys.exit()
    
    def retrieve_password(self, wifi_name):
        try:
            command = 'netsh wlan show profiles "%s" key=clear' % wifi_name   #这里的字符串需要用双引号包裹，否则因为在windows中有些wifi名称很奇葩，有各种符号，会导致命令执行失败
            result = subprocess.check_output(command, shell=True, encoding='gbk')           

            pattern = r'(?:关键内容\s*:\s*)(.*)'
            search_result = re.search(pattern, result)
            if search_result:
                print(search_result.group(1))
                return wifi_name, search_result.group(1)
        except:
            pass
    
    def run(self):
        wifi_networks_list = self.retrieve_all_wifi_networks()
        wifi_credentials = {}
        if wifi_networks_list:
            for wifi in wifi_networks_list:
                
                res = self.retrieve_password(wifi)
                if res:
                    wifi_name, key_info = res
                    wifi_credentials[wifi_name] = key_info
        
        print(wifi_credentials)
        with open(self.filename, 'w') as f:
            f.write(json.dumps(wifi_credentials))

    

if __name__ == '__main__':
    wifiobj = WiFiNetworksCredentials()
    wifiobj.run()